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Javier Hernando's user avatar
Javier Hernando's user avatar
Javier Hernando's user avatar
Javier Hernando
  • Member for 2 years, 7 months
  • Last seen this week
4 votes
2 answers
480 views

How should interactions be modeled in mixed-models?

3 votes
1 answer
71 views

Two-class LDA with multiple variables: can we separate classes and know the weight of variables?

3 votes
1 answer
92 views

Error in mixed-models. Which to detect? Collinearity? Singularity in backsolve at level 0, block 1

2 votes
1 answer
77 views

Multinomial distribution approach as negative binomial?

2 votes
1 answer
63 views

Is it possible to "adjust" batch effect as random in survival analysis?

2 votes
1 answer
106 views

Assumption in multiple linear regression

1 vote
1 answer
37 views

Estimate number of covariates in Cox regression model

1 vote
1 answer
333 views

How to model my fixed effect terms plus interactions

1 vote
2 answers
1k views

Interpretation of interaction terms with time in linear mixed-effects model

1 vote
1 answer
35 views

Rationale about the difference between logarithms quocient and ratio? Fold-change?

1 vote
1 answer
57 views

Is this approach of PCA correct?

0 votes
0 answers
39 views

Which is the correct `lme` syntax for this repeated measurements problem?

0 votes
0 answers
41 views

Calculation of confidence intervals in linear regression model - normal or student?

0 votes
0 answers
26 views

Difference between a comparison of independent variables t.test and linear regression model of one category?

0 votes
0 answers
54 views

Doubt about PCA or FAMD?